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Invision Power Board Hexadecimal HTML Entities Script Insertion
Secunia Advisory: SA20772
Release Date: 2006-06-21
Last Update: 2006-06-28
Popularity: 10,089 views

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:Invision Power Board 2.x

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CVE reference:CVE-2006-3197


Description:
A vulnerability has been reported in Invision Power Board, which can be exploited by malicious people to conduct script insertion attacks.

Input passed via hexadecimal HTML entities in a post isn't properly sanitised before being used. This can be exploited to inject arbitrary HTML and script code, which will be executed in a user's browser session in context of an affected site when the malicious user data is viewed.

The vulnerability has been reported in version 2.1.6 and prior for the 2.1.x branch (before 2006-06-19).

Solution:
The vulnerability has been fixed in an updated 2.1.6 version (from 2006-06-19).
http://forums.invisionpower.com/index.php?showtopic=219126

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2006-06-28: Added CVE reference.

Original Advisory:
http://forums.invisionpower.com/index.php?showtopic=219126


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